This Week in Nature

Members of The Cancer Genome Atlas team this week present a molecular characterization of 276 colorectal carcinoma samples; the researchers analyzed the samples' exome sequence, DNA copy number, and promoter methylation as well as mRNA and microRNA expression. "A subset of the colorectal tumors — most often those turning up in the right or ascending colon — had unusually high mutation levels.

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NPR reports that Turkish high school students will no longer study evolution.

Researchers report they sequenced and identified plant species in an "al fresco" laboratory.

An Australian team searches for genetic alterations linked to depression in hopes of developing personalized treatments, the Sydney Morning Herald reports.

In PNAS this week: host contributors to typhoid fever risk, effects of obesity-related variants near TMEM18, and more.